Move SendAutofillTypePredictions() into AutofillDriver.

components/autofill/core/common/form_data_predictions.cc

Index: components/autofill/core/common/form_data_predictions.cc
diff --git a/components/autofill/core/common/form_data_predictions.cc b/components/autofill/core/common/form_data_predictions.cc
index 15e30c00a8cd001b087afe9255044ce07b454bd3..8375c3066c9684eb7953001e4346c214f670250c 100644
--- a/components/autofill/core/common/form_data_predictions.cc
+++ b/components/autofill/core/common/form_data_predictions.cc
@@ -19,4 +19,17 @@ FormDataPredictions::FormDataPredictions(const FormDataPredictions& other)
 FormDataPredictions::~FormDataPredictions() {
 }
 
+bool FormDataPredictions::operator==(
+    const FormDataPredictions& predictions) const {
+  return (data == predictions.data &&
+          signature == predictions.signature &&
+          experiment_id == predictions.experiment_id &&
+          fields == predictions.fields);
+}
+
+bool FormDataPredictions::operator!=(
+    const FormDataPredictions& predictions) const {
+  return !operator==(predictions);
+}
+
 }  // namespace autofill